//
// Created by wze-zero on 2024/9/3 003.
//
#include <iostream>
#include <cmath>

using namespace std;

int main() {
    double weight, height;
    cin >> weight >> height;
    (weight / pow(height, 2) >= 18.5 && weight / pow(height, 2) <= 23.9) ? cout << "Normal" << endl : cout << "Abnormal"
                                                                                                           << endl;
    return 0;
}